Someone who Follows someone around, and/or calls them if they see or think they see them, may be involved in other activies as the person being creeped on such as School clubs, athletics, summer camp. Person may text/call person for no apparent reason.

creeper "hey i see you in town"
Person #1 "uh.. i'm at home.."
Creeper "oh, must not be you"

1. One who is "creepy", or does "creepy" things, such as follow you closely, stare, breathe loudly, and watch your every move.
2. Someone, usually a friend, who continually pokes their head into the frame just as you are taking a half-decent picture. How obnoxious.
3. Hugh Hefner is to hot women as creepers are to you.

1. That guy has been staring at you every time you've gotten on the bus... he's such a creeper!
2. Dude! You're in EVERY picture.... you're such a creeper!

A very strange person, a weirdo; will tend to stare in a strange and un-easy manner.

A person with weird behaviours; my have stalker tendencies, follow people and be a text pest.

Also, can be known as a perv or a dirty old man that likes to stare at your tits or at you in general.

Girl: Is my top too low?
Girl 2: Sorry to say babe but I think so.... as does the guy over there, even though I don't think he minds, ahaha
Girl: OMG! Why is he looking at me!?!? What a creeper!!!!!!!!!